Shim(Sim), Y.- soo(Youn- soo). “Measuring the Level of Political System Literacy Through the Election Pledges of South Korean Electoral Candidates”. Proceedings of the 62nd Annual Meeting of the ISSS - 2018 Corvallis, OR, USA, vol. 1, no. 1, Sept. 2019, https://journals.isss.org/index.php/proceedings62nd/article/view/3420.